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140940800 = 2952711213
BaseRepresentation
bin10000110011010…
…01011000000000
3100211012112102122
420121221120000
5242040101200
621552503412
73330656060
oct1031513000
9324175378
10140940800
1172614a00
123b24ab68
1323279630
1414a0b3a0
15c590385
hex8669600

140940800 has 360 divisors, whose sum is σ = 472396848. Its totient is φ = 40550400.

The previous prime is 140940797. The next prime is 140940809. The reversal of 140940800 is 8049041.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 140940800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140940809) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10841594 + ... + 10841606.

Almost surely, 2140940800 is an apocalyptic number.

140940800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140940800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236198424).

140940800 is an abundant number, since it is smaller than the sum of its proper divisors (331456048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140940800 is a wasteful number, since it uses less digits than its factorization.

140940800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 140940800 is about 11871.8490556442. The cubic root of 140940800 is about 520.4099331615.

Adding to 140940800 its reverse (8049041), we get a palindrome (148989841).

The spelling of 140940800 in words is "one hundred forty million, nine hundred forty thousand, eight hundred".